unisonic technologies co., ltd u74hc32 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-075.c quadruple 2-input positive-or gates ? description the utc u74hc32 devices contain four independent 2-input or gates. they perform the boolean function y = b a ? or y = a + b in positive logic. ? features * wide operating voltage range of 1.0v ~ 7.0v * low power consumption, 20 a max i cc * 20ma output drive at 5v * low input current of 1 a max ? ordering information ordering number lead free plating halogen free package packing u74hc32l-d14-t u74hc32g-d14-t dip-14 tube U74HC32L-S14-T u74hc32g-s14-t sop-14 tube u74hc32l-s14-r u74hc32g-s14-r sop-14 tape reel u74hc32l-p14-t u74hc32g-p14-t tssop-14 tube u74hc32l-p14-r u74hc32g-p14-r tssop-14 tape reel
u74hc32 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-075.c ? pin configuration 1a 1b 1y 2a 2b 2y gnd v cc 4b 4a 4y 3b 3a 3y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ? logic diagram (positive logic) ? function table (each inverter) input output a b y h x l x h l h h l
u74hc32 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-075.c ? absolute maximum ratings parameter symbol ratings unit supply voltage range v cc 1.0~7.0 v input clamp current (note 1) i ik (v in 0 or v in v cc 20 ma output clamp current (note 1) i ok (v out 0 or v out v cc 20 ma continuous output current i o (v out = 0 ~ v cc ) 25 ma continuous current through v cc or gnd 50 ma storage temperature t stg -65 ~ +150 c note : 1. the input and output voltage ratings may be exceede d if the input and output curr ent ratings are observed. 2. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit sop-14 86 c /w dip-14 80 c /w ambient to junction tssop-14 ja 113 c /w ? recommended operating conditions ( t a = 25c ) parameter symbol test conditions min typ max unit supply voltage v cc 2 4.5 6 v v cc = 2 v 1.4 v v cc = 4.5 v 3 v high-level input voltage v ih v cc = 6 v 4.2 v v cc = 2 v 0.7 v v cc = 4.5 v 1.5 v low- level input voltage v il v cc = 6 v 2 v input voltage v in 0 v cc v output voltage v out 0 v cc v input transition rise/fall time dt/dv v cc = 4.5 v 500 ns ambient operating temperature t opr -40 85 c note: all unused inputs of the device must be held at v cc or gnd to ensure proper device operation. ? electrical characteristics (ta=25c, unless otherwise noted) parameter symbol test conditions min typ max unit v cc =4.5v, v in = v ih or v il , i oh = ? 20a 4.4 4.5 high-level output voltage v oh v cc =4.5v, v in = v ih or v il , i oh = ? 4ma 3.98 4.3 v v cc =4.5v, v in = v ih or v il , i ol =20a 0.001 0.1 low-level input voltage v ol v cc =4.5v, v in = v ih or v il , i ol =4ma 0.18 0.26 v input current i in v cc =6v, v in =v cc or 0 0.1 100 na quiescent supply current i cc v cc =6v, v in =v cc or 0, i out =0 20 a operating characteristics power dissipation capacitance per gate c pd no load 20 pf note: all unused inputs of the device must be held at v cc or gnd to ensure proper device operation.
u74hc32 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-075.c ? switching characteristics over recommended operating free-air temperature range (ta = 25 c , c l = 50 pf, unless otherwise specified) parameter symbol from(input) to(output) v cc min typ max unit 2v 43 4.5v 18 propagation delay from a or b to y t pd a or b y 6v 15 ns 2v 33 4.5v 19 output rise and fall time t t y 6v 17 ns
u74hc32 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-075.c ? test circuit and waveforms note: c l includes probe and jig capacitance. utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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